Saifullah Al Fahmi; Luluk Aniqoh Meliana Putri; Ivan Junius Mesak; Juvita Herdianty. Antibacterial Activity Test of Combination of Chitosan and Ethanol Extract of Cocoa Leaves (Theobroma Cacao L.) Against Salmonella Typhi Bacteria. Strada J. Pharm. 2024, 6, 142-145.